Model: 578R677H01

Tapping Screw

Special Features:

Triangle shaped threads

Properties:

Fastener Length

Between 0.470 inches and 0.500 inches

Head Style

Flat countersunk

Head Diameter

0.359 inches

Internal Drive Style

Cross recess type 1

Features Provided

Casehardened

Nonmachine Thread Style

Dog type (type b or c)

Countersink Angle

100.0 degrees

Nonmachine Thread Diameter

0.190 inches

Material

Steel comp 1016 or steel comp 1018 or steel comp 1019 or steel comp 1021 or steel comp 1022 or steel comp 1524

Material Specification

66 federal standard all material responses

NSN

5305-00-556-7264

Part Number

578R677H01

Description

Screw,tapping

CAGE

97942

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes screw, assembled washer.

Part 578R677H01 NSN 5305-00-556-7264

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

41756

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

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Schedule B and Export

Schedule B: 7318140000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Self-tapping screws of iron or steel